1993
DOI: 10.1159/000147487
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Ultrastructural Characteristics of Atrial, Ventricular and Subendocardial (Purkinje) Cells of the Fruit-Eating Bat <i>Eidolon helvum</i>

Abstract: The ultrastructure of the myocardium of the large (285 gm) fruit-eating bat (Eidolon helvum) provides further evidence that, among mammalian species, different types of cardiac myocytes are morphologically heterogeneous. Atrial cells of this species, like those of smaller bats previously studied, have few of the natriuretic hormone-containing granules. These granules are also small, with a mean diameter of 176 ± 3.9 nm in comparison with those of the rat (230 ± 5.8 nm) and mouse (211 ± 4.7 nm). In all types of… Show more

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Cited by 3 publications
(2 citation statements)
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“…1964;Newman et al, 1991] and in extra-atrial tissues [Gutkowska and Nemer. 1989;Ayettey et al, 1993], On the other hand, tak ing into account their size and morphology, these vesicles differ from the ones described by other authors, not only at the phase of myoblast but also at the collective phases of the histogenesis of the skeletal muscle (promyoblast, myo blast, myotube and myofibre) [Ezerman and Ishikawa, 1967;Ishikawa, 1968;Schiaffino and Hanzlikova. 1972;Tomanck and Colling-Saltin, 1977],…”
Section: Discussionmentioning
confidence: 54%
“…1964;Newman et al, 1991] and in extra-atrial tissues [Gutkowska and Nemer. 1989;Ayettey et al, 1993], On the other hand, tak ing into account their size and morphology, these vesicles differ from the ones described by other authors, not only at the phase of myoblast but also at the collective phases of the histogenesis of the skeletal muscle (promyoblast, myo blast, myotube and myofibre) [Ezerman and Ishikawa, 1967;Ishikawa, 1968;Schiaffino and Hanzlikova. 1972;Tomanck and Colling-Saltin, 1977],…”
Section: Discussionmentioning
confidence: 54%
“…Esta tasa suele incrementarse durante la isquemia y aun más durante la isquemia acoplada con reperfusión (30)(31)(32). Estas condiciones tienen alto impacto en el corazón dado que hasta el 40% del volumen de los cardiomiocitos es ocupado por mitocondrias (40,41). El átomo de oxígeno contiene dos electrones no apareados en su orbita externa, y es por tanto altamente reactivo.…”
Section: La Mitocondria Como Fuente De Ros En El Sistema Cardiovascularunclassified